INDEX OF SUBJECTS 



303 



from hi. io.l scrum, 200-209; from 

 carrots, _'">, 26, 200-202; from green 

 leaves, JifJ-'JUl ; microchemical iden- 

 utii-itioii of in plant tissues, 241; 

 odor of, 20. 232, 233; possible rela- 

 tion of i" cynienes. 2:'.">; pronuncia- 

 tion of. !); relation of to xantho- 

 phylls 21; relat ionshi]) of to vita- 

 min A. 20D-271; separation of from 

 vmthophylK 2.Y2. 253; specific ro- 

 tation of, 233; structure of, 234, 

 235. 



Carotin content of various plants, 249, 

 251, 255. 



(.'a rot in crystals, color and form of, 

 232; color reactions of, 233; effect of 

 oxidation on solubility of, 218; halo- 

 uen derivatives of, 233, 234; oxygen 

 absorption of, 233; solubility of, 232, 

 233. 



Carotin function in plants, as aid in 

 photosynthesis, 265, 277; as enzyme 

 protectors, 264, 276; as lure for in- 

 sects, etc., 264, 276; as regulators of 

 oxygon pressure, 264, 277; as reserve 

 substances, 263. 276; as respiratory 

 pigments, 263, 276; in C0 2 assimila- 

 tion, 265, 277. 



Carotin solutions, effect of acids on 

 color of, 219; relative color of com- 

 pared to xanthophyll, 225; proper- 

 ties of, 218-222. 



Carotinemia, 194. 



Carotinins. basic compounds of, 19, 24, 

 117. 118; in bacteria, 121; in beetles, 

 171; in blood algae, 105, 106, 123; in 

 cup fungi, 117; in Euglena, 110, 123. 



Carotinoid, origin of name, 19, 88; pro- 

 nunciation of, 9; suitability of name 

 for animal lipochromes, 20. 



Carotinoid-free fowls, experiments with, 

 193, 268; rapidity of coloration of 

 with xanthophyll-rich feeds, 193. 



Carotinoid-free egg yolk, vitamin con- 

 tent of, 270. 



Carotinoid-free mammals, 195; possible 



cause of, 196. 



Carol moid-, decline of in leaves in au- 

 tumn, 61, 64; fate of in digestion, 

 196; in flowers, 66-75; in fruits, 75- 

 85, 90; origin of -in plants, 266; 

 ijuantitafive estimation of, 248-261. 



Carol moid- ot' animals, chemical rela- 

 tion.- of to carotinoids of plants, 173- 

 181; biological relations of to caro- 

 tinoids of pi ints, 182-198. 



1 rotini isifi, 135. 



Carpellary n-.-ne of seeds, pigments of, 

 90. 



Carpinus BcLulus, 58. 



Carrots, carotin content of during 

 starch formation, 200 ; effecl >i' feed- 

 ing to co\\ - OD color of butler, I'.H ; 

 effecl of h edmir to liens on color 

 of ,-tig yolk, !'.>:;, 271. 



Carrot root, pi'/nieni of as flic fir.-t, 

 crystalline carotinoid, IS, 2."> ; xan- 

 thophyll in, 28, 45, 88. 

 idcu , 158. 



Cat blood, effect, of inji cling xantlio- 

 jihyll <ni pigments of, lol. 



Catalase, relation of to lycopin for- 

 mation in tomatoes, 267. 



Caterpillar, lack of lipochrome in I 

 mutant, 186. 



Caterpillars, carotinoids in, 156-158; 

 color in tegument of influenced by 

 food, 188. 



Caterpillar eggs, pigment of derived 

 from haenmh mph, 158. 



Caterpillar haemolymph, association of 

 carotinoid in with protein, 156; sex- 

 ual difference in pigmentation of, 

 157. 



Cii/inga cocrulea, 144. 



Cattle, color of skin secretion in re- 

 lation to fat production, 275; skin 

 color of as affected by breed, 275. 



Cave animals, color of in relation to 

 cave plants, 186. 



Cedar, red, autumn pigments of, 59. 



Celandine poppy, carotin and xantho- 

 phylls in, 72. 



Celastrus scandens, 58. 



C. Elpenor, 157. 



Cephaleurus albidus, 104; C. minimus, 

 104; C. (Mycoidea) Icaris, 104; C. 

 parasiticus, 104; C. solutus, 104. 



Cephalothecium, 119. 



Ci minium rubrum, 101; Ccramium dia- 

 phanum, 101. 



Certhiola mexicana, 145. 



Ccrtium tropis, 108; C. jusus, 108; C. 

 furco, 108. 



Chantransia species, 101. 



Chara jragilis, 102. 



Choral <s, 102. 



Charlock, white, xauthophylls in, 73. 



('In iranllms chcira L., 72. 



Chelidonium mujnx L., 72. 



Cherries, erthrojihyll of, 34; Pitanga or 

 Surinam cherry, anthocyanin and 

 carotinoids in. 70. 



Cherry. Sweet Mazzard, autumn pig- 

 tni'iit- of, 58. 



(lurry free leaves, red autumn pig- 

 ments, of, 56. 



Chestnut, autumn pigments of, 58. 



('hestnut leaves, carotin content of, 

 249. 



